diff core/tests/Drupal/Tests/Component/Serialization/YamlTest.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/tests/Drupal/Tests/Component/Serialization/YamlTest.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,150 @@
+<?php
+
+namespace Drupal\Tests\Component\Serialization;
+
+use Drupal\Component\Serialization\Exception\InvalidDataTypeException;
+use Drupal\Component\Serialization\SerializationInterface;
+use Drupal\Component\Serialization\Yaml;
+use Drupal\Component\Serialization\YamlPecl;
+use Drupal\Component\Serialization\YamlSymfony;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @coversDefaultClass \Drupal\Component\Serialization\Yaml
+ * @group Serialization
+ */
+class YamlTest extends TestCase {
+
+  /**
+   * @var \PHPUnit_Framework_MockObject_MockObject
+   */
+  protected $mockParser;
+
+  public function setUp() {
+    parent::setUp();
+    $this->mockParser = $this->getMockBuilder('\stdClass')
+      ->setMethods(['encode', 'decode', 'getFileExtension'])
+      ->getMock();
+    YamlParserProxy::setMock($this->mockParser);
+  }
+
+  public function tearDown() {
+    YamlParserProxy::setMock(NULL);
+    parent::tearDown();
+  }
+
+  /**
+   * @covers ::decode
+   */
+  public function testDecode() {
+    $this->mockParser
+      ->expects($this->once())
+      ->method('decode');
+    YamlStub::decode('test');
+  }
+
+  /**
+   * @covers ::getFileExtension
+   */
+  public function testGetFileExtension() {
+    $this->mockParser
+      ->expects($this->never())
+      ->method('getFileExtension');
+    $this->assertEquals('yml', YamlStub::getFileExtension());
+  }
+
+  /**
+   * Tests all YAML files are decoded in the same way with Symfony and PECL.
+   *
+   * This test is a little bit slow but it tests that we do not have any bugs in
+   * our YAML that might not be decoded correctly in any of our implementations.
+   *
+   * @todo This should exist as an integration test not part of our unit tests.
+   *   https://www.drupal.org/node/2597730
+   *
+   * @requires extension yaml
+   * @dataProvider providerYamlFilesInCore
+   */
+  public function testYamlFiles($file) {
+    $data = file_get_contents($file);
+    try {
+      $this->assertEquals(YamlSymfony::decode($data), YamlPecl::decode($data), $file);
+    }
+    catch (InvalidDataTypeException $e) {
+      // Provide file context to the failure so the exception message is useful.
+      $this->fail("Exception thrown parsing $file:\n" . $e->getMessage());
+    }
+  }
+
+  /**
+   * Ensures that decoding php objects is similar for PECL and Symfony.
+   *
+   * @requires extension yaml
+   */
+  public function testObjectSupportDisabled() {
+    $object = new \stdClass();
+    $object->foo = 'bar';
+    // In core all Yaml encoding is done via Symfony and it does not support
+    // objects so in order to encode an object we hace to use the PECL
+    // extension.
+    // @see \Drupal\Component\Serialization\Yaml::encode()
+    $yaml = YamlPecl::encode([$object]);
+    $this->assertEquals(['O:8:"stdClass":1:{s:3:"foo";s:3:"bar";}'], YamlPecl::decode($yaml));
+    $this->assertEquals(['!php/object "O:8:\"stdClass\":1:{s:3:\"foo\";s:3:\"bar\";}"'], YamlSymfony::decode($yaml));
+  }
+
+  /**
+   * Data provider that lists all YAML files in core.
+   */
+  public function providerYamlFilesInCore() {
+    $files = [];
+    $dirs = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator(__DIR__ . '/../../../../../', \RecursiveDirectoryIterator::FOLLOW_SYMLINKS));
+    foreach ($dirs as $dir) {
+      $pathname = $dir->getPathname();
+      // Exclude vendor.
+      if ($dir->getExtension() == 'yml' && strpos($pathname, '/../../../../../vendor') === FALSE) {
+        if (strpos($dir->getRealPath(), 'invalid_file') !== FALSE) {
+          // There are some intentionally invalid files provided for testing
+          // library API behaviours, ignore them.
+          continue;
+        }
+        $files[] = [$dir->getRealPath()];
+      }
+    }
+    return $files;
+  }
+
+}
+
+class YamlStub extends Yaml {
+
+  public static function getSerializer() {
+    return '\Drupal\Tests\Component\Serialization\YamlParserProxy';
+  }
+
+}
+
+class YamlParserProxy implements SerializationInterface {
+
+  /**
+   * @var \Drupal\Component\Serialization\SerializationInterface
+   */
+  protected static $mock;
+
+  public static function setMock($mock) {
+    static::$mock = $mock;
+  }
+
+  public static function encode($data) {
+    return static::$mock->encode($data);
+  }
+
+  public static function decode($raw) {
+    return static::$mock->decode($raw);
+  }
+
+  public static function getFileExtension() {
+    return static::$mock->getFileExtension();
+  }
+
+}